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Power control device and method therefor

A power control and power technology, which is used in control/regulation systems, instruments, data processing power supplies, etc.

Active Publication Date: 2014-09-17
VLSI TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, fast power-up of integrated circuits is challenging to implement, especially as many power supplies (such as voltage regulators) require time to ramp up to provide full power while functional circuit blocks are being powered
These and other issues continue to challenge the implementation of circuits that consume low power but operate to respond quickly to requests

Method used

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  • Power control device and method therefor
  • Power control device and method therefor

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Embodiment Construction

[0013] Although the present invention can be modified into various modifications and alternative forms, specific modifications and alternative forms have been shown by way of example in the drawings and will be described in detail. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the invention including aspects defined by the claims.

[0014] It is believed that the present invention is applicable to many different types of circuits, devices and systems for and / or involving power regulators. The invention is not necessarily limited in this context, and various aspects of the invention can be envisaged through the discussion of the relevant examples.

[0015] According to various embodiments, a power control unit for an integrated circuit converts externally applied power into one or m...

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PUM

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Abstract

A power control circuit. Facilitated power supply. According to one or more embodiments, power rails of an integrated circuit are powered using a power control circuit that includes a power regulator and a reset circuit responsive to a supply voltage. The power regulator supplies power to the power rail according to the control signal. The reset circuit controls the power regulator to supply power to the power rail independently of the control signal when the supply voltage is below the operating voltage level, and controls the power regulator to supply power to the power rail in response to the control signal when the supply voltage reaches the operating voltage level.

Description

technical field [0001] The present invention relates to a power control device and method thereof. Background technique [0002] In many electronic circuit applications, various circuits are not powered at certain times during which the circuits may be placed in a low power or standby mode in which the circuits draw less power. For example, many low power microcontrollers include mixed signal blocks, such as signal blocks including data converters, temperature sensors, comparators, or voltage references. In many implementations, not all blocks are needed all the time, often all circuit blocks can be powered down until the circuit is needed. These methods save power, which is especially useful in battery-powered applications. [0003] For example, mixed-signal integrated circuits often operate using different internal voltage levels, where a single external voltage and power control unit is used in the integrated circuit that generates the different internal voltage levels ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/66
CPCG06F1/26
Inventor 彼得·罗伯逊安德·冈瑟凯文·马胡提
Owner VLSI TECH LLC